69678280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{248851}}^1$

素因数の和:248869

約数の個数: 32

約数和(自身を含む): 179173440

約数和(自身を除く): 109495160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 248851, 497702, 995404, 1244255, 1741957, 1990808, 2488510, 3483914, 4977020, 6967828, 8709785, 9954040, 13935656, 17419570, 34839140, 69678280]

約数ペア:

[(1, 69678280), (2, 34839140), (4, 17419570), (5, 13935656), (7, 9954040), (8, 8709785), (10, 6967828), (14, 4977020), (20, 3483914), (28, 2488510), (35, 1990808), (40, 1741957), (56, 1244255), (70, 995404), (140, 497702), (280, 248851)]